Take the oil tanker industry, for example. Cramer is very cautious about this space. After all, many of the tanker companies have taken on too much debt to buy ships and expand, even though rates have plummeted.

There is, however, just one tanker company that he has confidence in: Nordic American Tanker . To learn more about its future prospects, Cramer welcomed CEO Herbjorn Hansson back to "Mad Money." Check out the video to see the full interview.